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OpenStudy (anonymous):
Tickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,910, how many children attended the concert? 36 50 80 120
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sammixboo (sammixboo):
We can use the these two equations to help us 2x + 5y = 2,910 x + y = 630 Do you know the substitution/elimination methods?
OpenStudy (anonymous):
THANK YOU i got 80
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